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Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (https://creativecommons.org/licenses/by/4.0/).
Percentage of positivity (A), crude case detection rate (SINAN) (B), crude case detection rate (SINAN and SISPCE) (C) and rate of hospital admissions (D) per 100,000 Inhabitants—according to year and state of the Northeast region. Brazil, 2001–2017.